Home / 126,773,605.40-190,302,125.70-98,146,650.20

Finding the Fourth Proportional to 126,773,605.40, 190,302,125.70 and 98,146,650.20

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Solution

The fourth proportional to 126,773,605.40, 190,302,125.70 and 98,146,650.20 is: 147,329,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,773,605.40 : 190,302,125.70 = 98,146,650.20 : x
  2. Step 2: Convert to fraction form
    126,773,605.40/190,302,125.70 = 98,146,650.20/x
  3. Step 3: Cross multiply
    126,773,605.40x = 190,302,125.70 × 98,146,650.20
  4. Step 4: Simplify right side
    126,773,605.40x = 18,677,516,163,394,328
  5. Step 5: Solve for x
    x = 18,677,516,163,394,328/126,773,605.40
  6. Step 6: Final answer
    x = 147,329,691.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.